scholarly journals Water quality assessment of aquatic ecosystems using ecological criteria – case study in Bulgaria

2014 ◽  
Vol 28 (6) ◽  
pp. 1050-1056 ◽  
Author(s):  
Sonya Damyanova ◽  
Iliana Ivanova ◽  
Nadka Ignatova
2011 ◽  
Vol 4 (5) ◽  
pp. 70-72
Author(s):  
Cristina Roşu ◽  
◽  
Ioana Piştea ◽  
Carmen Roba ◽  
Mihaela Mihu ◽  
...  

2013 ◽  
Vol 20 (8) ◽  
pp. 5630-5644 ◽  
Author(s):  
Adamu Mustapha ◽  
Ahmad Zaharin Aris ◽  
Hafizan Juahir ◽  
Mohammad Firuz Ramli ◽  
Nura Umar Kura

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